Experimental Study on RFID Antenna Reading Areas in a Tunnel System

Table 3

Compiled table of antenna 5 measurements.

Pole	Tag	Distance	RSSI	Pole	Tag	Distance	RSSI	Pole	Tag	Distance	RSSI
VS 195	533	41,647	70
VS 180	529	27,88	70,5	180	533	27,371	73,5
VS 170	532	17,877	83					OS 170	531	16,879	70
VS 165	529	12,486	84	160	526	7,771	77	OS 165	530	11,391	86
VS 150	541	−8,966	72,5	150	532	−4,585	94,5	OS 150	531	−3,268	92,5
VS 145	500	−15,276	75,5					OS 145	542	−9,059	76,5
VS 140	500	−15,595	91	140	533	−13,203	86,5	OS 140	530	−13,803	85
VS 139	533	−16,591	90					OS 138	542	−15,757	73,5
VS 135	529	−20,76	84,5
VS 130	543	−23,257	77	130	536	−22,728	69
VS 125	532	−27,591	70
VS 128	500	−25,276	79
VS 122	543	−30,894	77,5					OS 120	542	−30,51	72
VS 110	543	−40,046	67